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Cheap flights from Knoxville to Incheon International

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Flight deals from Knoxville to Incheon International

Looking for a cheap last-minute deal or the best round-trip flight from Knoxville Airport to Incheon International Airport? If you want to travel next month, round-trip fares start from $1,517. Find the lowest prices on one-way and round-trip tickets right here.
Seoul.$1,147 per passenger.Departing Fri, Aug 28, returning Wed, Sep 30.Round-trip flight with Allegiant Air and Parata Air.Outbound indirect flight with Allegiant Air, departing from Knoxville on Fri, Aug 28, arriving in Incheon International.Inbound indirect flight with Parata Air, departing from Incheon International on Wed, Sep 30, arriving in Knoxville.Price includes taxes and charges.From $1,147, select.
Seoul.$1,264 per passenger.Departing Mon, Sep 14, returning Sat, Sep 19.Round-trip flight with Allegiant Air and Korean Air.Outbound indirect flight with Allegiant Air, departing from Knoxville on Mon, Sep 14, arriving in Incheon International.Inbound indirect flight with Korean Air, departing from Incheon International on Sat, Sep 19, arriving in Knoxville.Price includes taxes and charges.From $1,264, select.
Seoul.$1,459 per passenger.Departing Sun, Oct 11, returning Fri, Oct 16.Round-trip flight with Allegiant Air and Peach.Outbound indirect flight with Allegiant Air, departing from Knoxville on Sun, Oct 11, arriving in Incheon International.Inbound indirect flight with Peach, departing from Incheon International on Fri, Oct 16, arriving in Knoxville.Price includes taxes and charges.From $1,459, select.
Seoul.$1,517 per passenger.Departing Mon, Jun 8, returning Mon, Jun 29.Round-trip flight with Allegiant Air and Asiana Airlines.Outbound indirect flight with Allegiant Air, departing from Knoxville on Mon, Jun 8, arriving in Incheon International.Inbound indirect flight with Asiana Airlines, departing from Incheon International on Mon, Jun 29, arriving in Knoxville.Price includes taxes and charges.From $1,517, select.
Seoul.$1,571 per passenger.Departing Mon, Jun 15, returning Thu, Aug 6.Round-trip flight with Allegiant Air and Air Busan.Outbound indirect flight with Allegiant Air, departing from Knoxville on Mon, Jun 15, arriving in Incheon International.Inbound indirect flight with Air Busan, departing from Incheon International on Thu, Aug 6, arriving in Knoxville.Price includes taxes and charges.From $1,571, select.
Seoul.$1,707 per passenger.Departing Thu, May 28, returning Thu, Jun 4.Round-trip flight with Allegiant Air and Peach.Outbound indirect flight with Allegiant Air, departing from Knoxville on Thu, May 28, arriving in Incheon International.Inbound indirect flight with Peach, departing from Incheon International on Thu, Jun 4, arriving in Knoxville.Price includes taxes and charges.From $1,707, select.
Seoul.$1,752 per passenger.Departing Tue, Dec 8, returning Thu, Dec 31.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Knoxville on Tue, Dec 8, arriving in Incheon International.Inbound indirect flight with Delta, departing from Incheon International on Thu, Dec 31, arriving in Knoxville.Price includes taxes and charges.From $1,752, select.
Seoul.$1,773 per passenger.Departing Sat, Jan 2, returning Sat, Jan 9.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Knoxville on Sat, Jan 2, arriving in Incheon International.Inbound indirect flight with Delta, departing from Incheon International on Sat, Jan 9, arriving in Knoxville.Price includes taxes and charges.From $1,773, select.
Seoul.$1,783 per passenger.Departing Mon, Jul 6, returning Mon, Jul 27.Round-trip flight with Allegiant Air and WestJet.Outbound indirect flight with Allegiant Air, departing from Knoxville on Mon, Jul 6, arriving in Incheon International.Inbound indirect flight with WestJet, departing from Incheon International on Mon, Jul 27, arriving in Knoxville.Price includes taxes and charges.From $1,783, select.
Seoul.$1,796 per passenger.Departing Sun, Jun 28, returning Sun, Jul 5.Round-trip flight with Allegiant Air and WestJet.Outbound indirect flight with Allegiant Air, departing from Knoxville on Sun, Jun 28, arriving in Incheon International.Inbound indirect flight with WestJet, departing from Incheon International on Sun, Jul 5, arriving in Knoxville.Price includes taxes and charges.From $1,796, select.
Seoul.$2,059 per passenger.Departing Thu, Dec 24, returning Sat, Jan 2.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Knoxville on Thu, Dec 24, arriving in Incheon International.Inbound indirect flight with Delta, departing from Incheon International on Sat, Jan 2, arriving in Knoxville.Price includes taxes and charges.From $2,059, select.

Find the cheapest month to fly from Knoxville to Incheon International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Incheon International flights are currently cheapest in September.
May
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Jun
from $1,517
Jul
from $1,783
Aug
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Sep
from $1,264
Oct
from $1,459
Nov
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Dec
from $1,752
Jan
from $1,773
Feb
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Mar
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Apr
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Knoxville to Incheon International: Alternative routes

Compare routes from Knoxville to Seoul below. You may find an airport to fly into that's cheaper, faster, or easier than Incheon International.

Gimpo International

17km from central Seoul
Closest
Search flights

Incheon International

48km from central Seoul
Cheapest
from $1,148
Search flights

Knoxville to Seoul: Flight information

The things to know before you go.
Cheapest flight found$1,148
Cheapest month to flyAugust

Finding cheap flights from Knoxville to Incheon International: Frequently asked questions

The best price we found for a round-trip flight from Knoxville to Incheon International is $1,147. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Knoxville to Incheon International. But we found flights with one or more stops from $1,147.
There are no flights flying from Knoxville to Incheon International, as of May 2026.
The cheapest month to fly from Knoxville to Incheon International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Incheon International Airport on Friday, August 28, 2026.
No airlines currently offer direct flights between Knoxville Airport and Incheon International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Incheon International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to Incheon International.

Traveling from McGhee Tyson Airport (TYS) to Incheon International Airport (ICN): what you need to know

  • Seoul's timezone is UTC+9, which makes Seoul 13 hours ahead of Knoxville.

  • Give yourself plenty of time to make your TYS to ICN flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's best to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a high season in general.

How to find the cheapest flights from McGhee Tyson Airport (TYS) to Incheon International Airport (ICN)

  • At the moment, $479 is the cheapest price we've found for a one-way McGhee Tyson Airport to Incheon International Airport flight. The best price for a return plane ticket is $1,147. Remember that fares may change due to availability when booking.

  • To find cheap tickets from TYS to ICN, book early. Airlines typically offer their most competitively priced fares when flights are first made available.

  • Finding cheap flights from McGhee Tyson Airport to Incheon International Airport is more likely if you can be flexible with your dates. Use the 'Whole month' search function to see the lowest fares across every month and land a great deal.

  • You don't need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you the moment a special offer becomes available on cheap flights from TYS to ICN.

  • Pick your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from McGhee Tyson Airport to Incheon International Airport.

Handy information about McGhee Tyson Airport (TYS)

  • TYS's address is 2055 Alcoa Highway.

  • Of the departures from McGhee Tyson Airport, 78.98% land on schedule at their destination.

  • Central Knoxville to McGhee Tyson Airport is around 23 kilometers. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Get your vacation off to a stress-free start by staying near TYS. Whether you're boarding an early flight from McGhee Tyson Airport to Incheon International Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at Incheon International Airport (ICN)

  • If you're arriving on a late McGhee Tyson Airport to Incheon International Airport flight, nothing tops the convenience of being close to the terminal. Collect your bags from the carousel and then be showered and resting shortly after at one of these options near ICN:

  • Pick up an Incheon International Airport rental car and discover Seoul and beyond with your own set of wheels. WECAR, Hi Rent A Car and Alamo are popular outlets you can book with here.

  • Secure the lowest price by reserving your ride from Incheon International Airport about four weeks before your departure date.

Getting from Incheon International Airport (ICN) to central Seoul

  • Incheon International Airport to central Seoul is around 48 kilometers. Journey times vary based on the time of day and traffic conditions, so checking a navigation app for live updates is always a smart move.

  • Traveling to the center on public transport takes roughly 1 hour 45 minutes.

When to fly to Incheon International Airport (ICN)

  • July is the busiest month for flights from McGhee Tyson Airport to Incheon International Airport. To avoid the crowds, head to Seoul in April.

  • The warmest month in Seoul is August, with the temperature ranging between 19ºC (66ºF) and 32ºC (90ºF). Book your flights from McGhee Tyson Airport to Incheon International Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from TYS to ICN in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC (10ºF) and 4ºC (39ºF) on average.

Explore more of South Korea

  • Busan is just one of the many places in South Korea waiting to be explored once you've seen the sights of Seoul. Around 322 kilometers away to the south-east, well-known attractions include Haeundae Beach, Gamcheon Culture Village and Beomeosa Temple.

  • If there's time to check out another major stop in South Korea, consider Incheon, roughly 56 kilometers west of Seoul. Lawn Square of Incheon International Airport, Yeongjong Sky City No.23 Park and 스카이72 GC 바다코스 are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.